Arrow Antennas is a well-known antenna manufacturer specializing in
high-performance antennas for amateur radio operations. Its Handheld 2m/440 MHz
dual-band satellite antenna is designed for handheld devices and is widely
popular among amateur radio enthusiasts and satellite communication enthusiasts.
Here are some key information about this antenna:
Features of Arrow Handheld 2m/440 MHz Satellite Antenna
1. Frequency Range
2-meter band (144-148 MHz): Suitable for VHF satellite communications.
70-cm band (435-440 MHz): Suitable for UHF satellite communications.
2. Design and Structure
Compact and Lightweight: The antenna is designed to be small and easy to
carry, making it ideal for handheld use or mounting on small mobile
platforms.
Durable Materials: Made of high-quality materials to ensure reliable
operation in various environmental conditions.
Easy to Assemble: Users can easily assemble the antenna pole and elements
together without complex tools or expertise.
3. Performance indicators
Gain: Usually has a high gain value to ensure good signal reception and
transmission performance, especially at low elevation angles.
Polarization: Supports vertical polarization or horizontal polarization,
depending on the model, which helps optimize the communication effect of a
specific satellite.
Impedance matching: Usually 50 ohms to ensure good compatibility with most
amateur radio equipment.
4. Accessories
Connector type: Common connector types include SMA, BNC, etc., which are
convenient for connection with different types of transceivers.
Additional components: May include accessories such as extension rods and
shock absorbers to enhance the flexibility and stability of the antenna.
5. Application scenarios
Satellite communication: Especially suitable for uplink and downlink
communications of amateur satellites (such as AO-91, SO-50, etc.).
Field operations: Due to its portability and ruggedness, it is very
suitable for use in outdoor activities, such as emergency communications in
hiking, camping and other occasions.
Usage suggestions
Correctly select the polarization direction: According to the
characteristics of the satellite used, adjust the polarization direction of the
antenna to obtain the best communication quality.
Keep the antenna clean: Check and clean the antenna surface regularly to
prevent dust and moisture from affecting performance.
Safety precautions: When operating at heights or in unstable locations, be
sure to take appropriate safety measures.
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